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<div class="subTitle">org.apache.commons.lang3.text</div>
<h2 title="Class StrMatcher" class="title">Class StrMatcher</h2>
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<pre>public abstract class <span class="strong">StrMatcher</span>
extends <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
<div class="block">A matcher class that can be queried to determine if a character array
 portion matches.
 <p>
 This class comes complete with various factory methods.
 If these do not suffice, you can subclass and implement your own matcher.</div>
<dl><dt><span class="strong">Since:</span></dt>
  <dd>2.2</dd>
<dt><span class="strong">Version:</span></dt>
  <dd>$Id: StrMatcher.java 1436770 2013-01-22 07:09:45Z ggregory $</dd></dl>
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<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier</th>
<th class="colLast" scope="col">Constructor and Description</th>
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<tr class="altColor">
<td class="colFirst"><code>protected </code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/lang3/text/StrMatcher.html#StrMatcher()">StrMatcher</a></strong>()</code>
<div class="block">Constructor.</div>
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<caption><span>Methods</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<td class="colFirst"><code>static <a href="../../../../../org/apache/commons/lang3/text/StrMatcher.html" title="class in org.apache.commons.lang3.text">StrMatcher</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/lang3/text/StrMatcher.html#charMatcher(char)">charMatcher</a></strong>(char&nbsp;ch)</code>
<div class="block">Constructor that creates a matcher from a character.</div>
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<td class="colFirst"><code>static <a href="../../../../../org/apache/commons/lang3/text/StrMatcher.html" title="class in org.apache.commons.lang3.text">StrMatcher</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/lang3/text/StrMatcher.html#charSetMatcher(char...)">charSetMatcher</a></strong>(char...&nbsp;chars)</code>
<div class="block">Constructor that creates a matcher from a set of characters.</div>
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<td class="colFirst"><code>static <a href="../../../../../org/apache/commons/lang3/text/StrMatcher.html" title="class in org.apache.commons.lang3.text">StrMatcher</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/lang3/text/StrMatcher.html#charSetMatcher(java.lang.String)">charSetMatcher</a></strong>(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;chars)</code>
<div class="block">Constructor that creates a matcher from a string representing a set of characters.</div>
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<td class="colFirst"><code>static <a href="../../../../../org/apache/commons/lang3/text/StrMatcher.html" title="class in org.apache.commons.lang3.text">StrMatcher</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/lang3/text/StrMatcher.html#commaMatcher()">commaMatcher</a></strong>()</code>
<div class="block">Returns a matcher which matches the comma character.</div>
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<td class="colFirst"><code>static <a href="../../../../../org/apache/commons/lang3/text/StrMatcher.html" title="class in org.apache.commons.lang3.text">StrMatcher</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/lang3/text/StrMatcher.html#doubleQuoteMatcher()">doubleQuoteMatcher</a></strong>()</code>
<div class="block">Returns a matcher which matches the double quote character.</div>
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<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/lang3/text/StrMatcher.html#isMatch(char[], int)">isMatch</a></strong>(char[]&nbsp;buffer,
       int&nbsp;pos)</code>
<div class="block">Returns the number of matching characters, zero for no match.</div>
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<td class="colFirst"><code>abstract int</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/lang3/text/StrMatcher.html#isMatch(char[], int, int, int)">isMatch</a></strong>(char[]&nbsp;buffer,
       int&nbsp;pos,
       int&nbsp;bufferStart,
       int&nbsp;bufferEnd)</code>
<div class="block">Returns the number of matching characters, zero for no match.</div>
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<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../org/apache/commons/lang3/text/StrMatcher.html" title="class in org.apache.commons.lang3.text">StrMatcher</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/lang3/text/StrMatcher.html#noneMatcher()">noneMatcher</a></strong>()</code>
<div class="block">Matches no characters.</div>
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<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../../../org/apache/commons/lang3/text/StrMatcher.html" title="class in org.apache.commons.lang3.text">StrMatcher</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/lang3/text/StrMatcher.html#quoteMatcher()">quoteMatcher</a></strong>()</code>
<div class="block">Returns a matcher which matches the single or double quote character.</div>
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<td class="colFirst"><code>static <a href="../../../../../org/apache/commons/lang3/text/StrMatcher.html" title="class in org.apache.commons.lang3.text">StrMatcher</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/lang3/text/StrMatcher.html#singleQuoteMatcher()">singleQuoteMatcher</a></strong>()</code>
<div class="block">Returns a matcher which matches the single quote character.</div>
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<td class="colFirst"><code>static <a href="../../../../../org/apache/commons/lang3/text/StrMatcher.html" title="class in org.apache.commons.lang3.text">StrMatcher</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/lang3/text/StrMatcher.html#spaceMatcher()">spaceMatcher</a></strong>()</code>
<div class="block">Returns a matcher which matches the space character.</div>
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<td class="colFirst"><code>static <a href="../../../../../org/apache/commons/lang3/text/StrMatcher.html" title="class in org.apache.commons.lang3.text">StrMatcher</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/lang3/text/StrMatcher.html#splitMatcher()">splitMatcher</a></strong>()</code>
<div class="block">Matches the same characters as StringTokenizer,
 namely space, tab, newline and formfeed.</div>
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<td class="colFirst"><code>static <a href="../../../../../org/apache/commons/lang3/text/StrMatcher.html" title="class in org.apache.commons.lang3.text">StrMatcher</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/lang3/text/StrMatcher.html#stringMatcher(java.lang.String)">stringMatcher</a></strong>(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;str)</code>
<div class="block">Constructor that creates a matcher from a string.</div>
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<td class="colFirst"><code>static <a href="../../../../../org/apache/commons/lang3/text/StrMatcher.html" title="class in org.apache.commons.lang3.text">StrMatcher</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/lang3/text/StrMatcher.html#tabMatcher()">tabMatcher</a></strong>()</code>
<div class="block">Returns a matcher which matches the tab character.</div>
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<td class="colFirst"><code>static <a href="../../../../../org/apache/commons/lang3/text/StrMatcher.html" title="class in org.apache.commons.lang3.text">StrMatcher</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/lang3/text/StrMatcher.html#trimMatcher()">trimMatcher</a></strong>()</code>
<div class="block">Matches the String trim() whitespace characters.</div>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</a></code></li>
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<pre>protected&nbsp;StrMatcher()</pre>
<div class="block">Constructor.</div>
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<pre>public static&nbsp;<a href="../../../../../org/apache/commons/lang3/text/StrMatcher.html" title="class in org.apache.commons.lang3.text">StrMatcher</a>&nbsp;commaMatcher()</pre>
<div class="block">Returns a matcher which matches the comma character.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>a matcher for a comma</dd></dl>
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<pre>public static&nbsp;<a href="../../../../../org/apache/commons/lang3/text/StrMatcher.html" title="class in org.apache.commons.lang3.text">StrMatcher</a>&nbsp;tabMatcher()</pre>
<div class="block">Returns a matcher which matches the tab character.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>a matcher for a tab</dd></dl>
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<pre>public static&nbsp;<a href="../../../../../org/apache/commons/lang3/text/StrMatcher.html" title="class in org.apache.commons.lang3.text">StrMatcher</a>&nbsp;spaceMatcher()</pre>
<div class="block">Returns a matcher which matches the space character.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>a matcher for a space</dd></dl>
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<pre>public static&nbsp;<a href="../../../../../org/apache/commons/lang3/text/StrMatcher.html" title="class in org.apache.commons.lang3.text">StrMatcher</a>&nbsp;splitMatcher()</pre>
<div class="block">Matches the same characters as StringTokenizer,
 namely space, tab, newline and formfeed.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the split matcher</dd></dl>
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<pre>public static&nbsp;<a href="../../../../../org/apache/commons/lang3/text/StrMatcher.html" title="class in org.apache.commons.lang3.text">StrMatcher</a>&nbsp;trimMatcher()</pre>
<div class="block">Matches the String trim() whitespace characters.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the trim matcher</dd></dl>
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<pre>public static&nbsp;<a href="../../../../../org/apache/commons/lang3/text/StrMatcher.html" title="class in org.apache.commons.lang3.text">StrMatcher</a>&nbsp;singleQuoteMatcher()</pre>
<div class="block">Returns a matcher which matches the single quote character.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>a matcher for a single quote</dd></dl>
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<pre>public static&nbsp;<a href="../../../../../org/apache/commons/lang3/text/StrMatcher.html" title="class in org.apache.commons.lang3.text">StrMatcher</a>&nbsp;doubleQuoteMatcher()</pre>
<div class="block">Returns a matcher which matches the double quote character.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>a matcher for a double quote</dd></dl>
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<pre>public static&nbsp;<a href="../../../../../org/apache/commons/lang3/text/StrMatcher.html" title="class in org.apache.commons.lang3.text">StrMatcher</a>&nbsp;quoteMatcher()</pre>
<div class="block">Returns a matcher which matches the single or double quote character.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>a matcher for a single or double quote</dd></dl>
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<pre>public static&nbsp;<a href="../../../../../org/apache/commons/lang3/text/StrMatcher.html" title="class in org.apache.commons.lang3.text">StrMatcher</a>&nbsp;noneMatcher()</pre>
<div class="block">Matches no characters.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>a matcher that matches nothing</dd></dl>
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<pre>public static&nbsp;<a href="../../../../../org/apache/commons/lang3/text/StrMatcher.html" title="class in org.apache.commons.lang3.text">StrMatcher</a>&nbsp;charMatcher(char&nbsp;ch)</pre>
<div class="block">Constructor that creates a matcher from a character.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>ch</code> - the character to match, must not be null</dd>
<dt><span class="strong">Returns:</span></dt><dd>a new Matcher for the given char</dd></dl>
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<pre>public static&nbsp;<a href="../../../../../org/apache/commons/lang3/text/StrMatcher.html" title="class in org.apache.commons.lang3.text">StrMatcher</a>&nbsp;charSetMatcher(char...&nbsp;chars)</pre>
<div class="block">Constructor that creates a matcher from a set of characters.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>chars</code> - the characters to match, null or empty matches nothing</dd>
<dt><span class="strong">Returns:</span></dt><dd>a new matcher for the given char[]</dd></dl>
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<pre>public static&nbsp;<a href="../../../../../org/apache/commons/lang3/text/StrMatcher.html" title="class in org.apache.commons.lang3.text">StrMatcher</a>&nbsp;charSetMatcher(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;chars)</pre>
<div class="block">Constructor that creates a matcher from a string representing a set of characters.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>chars</code> - the characters to match, null or empty matches nothing</dd>
<dt><span class="strong">Returns:</span></dt><dd>a new Matcher for the given characters</dd></dl>
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<pre>public static&nbsp;<a href="../../../../../org/apache/commons/lang3/text/StrMatcher.html" title="class in org.apache.commons.lang3.text">StrMatcher</a>&nbsp;stringMatcher(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;str)</pre>
<div class="block">Constructor that creates a matcher from a string.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>str</code> - the string to match, null or empty matches nothing</dd>
<dt><span class="strong">Returns:</span></dt><dd>a new Matcher for the given String</dd></dl>
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<pre>public abstract&nbsp;int&nbsp;isMatch(char[]&nbsp;buffer,
          int&nbsp;pos,
          int&nbsp;bufferStart,
          int&nbsp;bufferEnd)</pre>
<div class="block">Returns the number of matching characters, zero for no match.
 <p>
 This method is called to check for a match.
 The parameter <code>pos</code> represents the current position to be
 checked in the string <code>buffer</code> (a character array which must
 not be changed).
 The API guarantees that <code>pos</code> is a valid index for <code>buffer</code>.
 <p>
 The character array may be larger than the active area to be matched.
 Only values in the buffer between the specifed indices may be accessed.
 <p>
 The matching code may check one character or many.
 It may check characters preceding <code>pos</code> as well as those
 after, so long as no checks exceed the bounds specified.
 <p>
 It must return zero for no match, or a positive number if a match was found.
 The number indicates the number of characters that matched.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>buffer</code> - the text content to match against, do not change</dd><dd><code>pos</code> - the starting position for the match, valid for buffer</dd><dd><code>bufferStart</code> - the first active index in the buffer, valid for buffer</dd><dd><code>bufferEnd</code> - the end index (exclusive) of the active buffer, valid for buffer</dd>
<dt><span class="strong">Returns:</span></dt><dd>the number of matching characters, zero for no match</dd></dl>
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<h4>isMatch</h4>
<pre>public&nbsp;int&nbsp;isMatch(char[]&nbsp;buffer,
          int&nbsp;pos)</pre>
<div class="block">Returns the number of matching characters, zero for no match.
 <p>
 This method is called to check for a match.
 The parameter <code>pos</code> represents the current position to be
 checked in the string <code>buffer</code> (a character array which must
 not be changed).
 The API guarantees that <code>pos</code> is a valid index for <code>buffer</code>.
 <p>
 The matching code may check one character or many.
 It may check characters preceding <code>pos</code> as well as those after.
 <p>
 It must return zero for no match, or a positive number if a match was found.
 The number indicates the number of characters that matched.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>buffer</code> - the text content to match against, do not change</dd><dd><code>pos</code> - the starting position for the match, valid for buffer</dd>
<dt><span class="strong">Returns:</span></dt><dd>the number of matching characters, zero for no match</dd><dt><span class="strong">Since:</span></dt>
  <dd>2.4</dd></dl>
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